Brief: This article tells how Yuan Chonghuan defended Ming against the rising Jurchen Later Jin. After Ming’s heavy defeat at Sarhu, Yuan fortified Ningyuan with Western cannons and defeated Nurhaci, who died soon after. He also repelled Hong Taiji at Ning-Jin. Despite victories, court intrigue forced his temporary resignation.
The Rise of the Later Jin and the Seven Grievances
Although Emperor Ming Sizong (Chongzhen) had successfully purged the eunuch faction led by Wei Zhongxian, he found no peace. Years of internal political strife had weakened the court, exposing vulnerabilities that external enemies were eager to exploit. The most pressing threat loomed from the northeast, a danger so severe it threatened to uproot the Ming Dynasty entirely, keeping the Emperor awake at night.
The trouble had begun decades earlier, during the late Wanli era. In 1616, a new power rose in Liaodong (east of the Liao River): the Great Jin, known historically as the Later Jin. Established by the Jurchen people and headquartered in Hetu Ala (modern Xinbin, Liaoning), its leader, Nurhaci, proclaimed himself Khan. The Jurchens were descendants of those who had established the Jin Dynasty during the Northern Song period, eventually conquering the Liao and Northern Song before falling to the Mongols. After centuries of dormancy, they had regrouped in the regions of the Heilongjiang, Ussuri, and Mudanjiang rivers.
Nurhaci, the head of a prominent clan, had once served the Ming. However, a tragic incident turned him into an enemy. During a Ming campaign against the rebel A-tai at Gule Fortress, Nurhaci’s grandfather and father – loyal Ming subjects attempting to persuade A-tai to surrender – were mistakenly killed in the chaos of the city’s fall. Although Ming officials apologized, calling it a misunderstanding, and compensated Nurhaci with promotions and imperial edicts, he never forgot the grievance.
Biding his time, Nurhaci consolidated his power. He compiled the “Seven Great Grievances” against the Ming, citing the death of his kin as the primary cause. While nominally serving as a Ming official, he secretly expanded his territory and military. By the time he approached sixty, he had organized his forces into the formidable Eight Banners – distinguished by yellow, red, white, blue, and their bordered counterparts. Confident in his strength, he officially declared war on the Ming.
The Collapse at Sarhu and the Fall of the Northeast
Nurhaci understood the Ming’s weaknesses well: a greedy emperor, a fractious court, and undisciplined border troops. Putting his plan into action, he sent three thousand Banner troops disguised as merchants into Fushun City. Once inside, they revealed their weapons and slaughtered the unprepared garrison. General Zhang Chengyin was killed, and Li Yongfang, a Ming commander who had long been friendly with Nurhaci, defected, becoming the first Han general of the Later Jin army.
Panic spread through the Ming court. In 1619, Emperor Ming Shenzong mobilized over 400,000 troops across four routes, led by War Minister Yang Hao and famous generals like Du Song and Liu Ting, aiming to crush the fledgling Jin state. However, the campaign ended in disaster at the Battle of Sarhu. The Ming forces were decimated; Du Song and Liu Ting died in battle, Li Rubai committed suicide, and Yang Hao was later executed by the court. This defeat shattered the Ming’s offensive capability, forcing them onto the defensive.
Seizing the momentum, Nurhaci captured Kaiyuan and Tieling. By the Tianqi era, he had taken the major cities of Shenyang and Liaoyang, moving his capital to Shenyang (renamed Shengjing). The Ming forces retreated in disarray to the line between Jinzhou and Shanhai Pass.
The Architect of Defense: Yuan Chonghuan
Amidst this crisis, a low-ranking official in the Ministry of War named Yuan Chonghuan disappeared for several days. When he returned, he announced he had secretly inspected the strategic passes outside the Great Wall and had a plan to defeat the enemy. Originally a county magistrate from Dongguan, Yuan had been deeply concerned about the northern losses. Impressed by his insights, the imperial censor Hou Xun recommended him for a military post.
Yuan was promoted to Assistant Commander and sent to supervise the army. Upon meeting War Minister Sun Chengzong, Yuan proposed a strategy of “defense first, offense later.” He argued that the line from Jinzhou to Ningyuan (modern Xingcheng) served as a vital shield for Shanhai Pass and must be held at all costs. Sun agreed and tasked Yuan with fortifying Ningyuan. Working alongside Man Gui, a capable Mongol general, Yuan oversaw the construction of sturdy fortifications equipped with Western-style cannons.
However, the rise of the eunuch Wei Zhongxian disrupted these plans. Wei resented Sun Chengzong for refusing to curry favor with his clique. Through slander, Wei forced Sun to resign and replaced him with Gao Di, a sycophant of the eunuch faction. Upon arrival, Gao Di ordered a full retreat behind Shanhai Pass, abandoning the frontier. Yuan Chonghuan vehemently opposed this, declaring, “I am ordered to guard Ningyuan; I will die here, but I will not retreat!” Gao Di, unable to force him, withdrew the rest of the troops, leaving Ningyuan as a lonely fortress defended by Yuan and Man Gui.
The Battle of Ningyuan and the Death of Nurhaci
In the winter of 1626, sensing weakness, Nurhaci led his army to attack Ningyuan. Yuan Chonghuan wrote a blood oath to inspire his troops, vowing to defend the city to the death. The soldiers, fired with determination, prepared to fight.
Nurhaci, underestimating the small city, surrounded it and launched an assault. To his shock, the Jurchen forces were met with devastating firepower. Cannons roared from the ramparts, raining fire and death upon the attackers. Yuan directed the defense from the walls while Man Gui and General Zu Dashou held their sectors fiercely. For several days, the Jin army suffered heavy casualties without making a dent in the city’s defenses. Forced to lift the siege, a frustrated Nurhaci remarked, “Since I started my campaign decades ago, I have never seen such stubborn resistance. Who is this Yuan Chonghuan?”
This was the first major victory for the Ming against the Jin. However, the defeat took a toll on Nurhaci. Suffering from illness and possibly wounds from the cannon fire, he died shortly after returning to Shengjing. His eighth son, Hong Taiji, succeeded him as Khan.
The Battle of Ning-Jin and Political Betrayal
Hong Taiji continued the hostility. The following year, he attacked Jinzhou. General Zhao Shuaijiao defended the city while requesting reinforcements. Yuan Chonghuan, holding the critical position of Ningyuan, sent Zu Dashou to flank the enemy. Zu’s surprise attack from the rear, combined with artillery fire from Jinzhou, threw the Jin army into confusion.
Believing Ningyuan was now weak, Hong Taiji shifted his main force to attack it. However, Yuan was ready. From the battlements, he commanded the defense personally as cannons and arrows decimated the Jurchen ranks. Man Gui charged out with cavalry, fighting despite being wounded by multiple arrows. With Zu Dashou closing in from behind – nearly capturing Hong Taiji – the Jin forces were routed. They retreated to Jinzhou, only to find Zhao Shuaijiao fully prepared. Defeated again, Hong Taiji withdrew.
Despite the triumph at the Battle of Ning-Jin, the corrupt court politics struck again. Factional allies of the eunuchs impeached Yuan Chonghuan, accusing him of failing to personally rescue Jinzhou. Disillusioned by the injustice – victory punished instead of rewarded – Yuan resigned and retired.
It was not until the ascension of Emperor Ming Sizong (Chongzhen), who purged the eunuchs and reviewed the border situation, that Yuan’s value was recognized again. Realizing that the defense of Liaodong depended on him, the new Emperor urgently recalled Yuan Chonghuan to service.
Note
Yuan Chonghuan
Ming’s greatest frontier general. He defended Ningyuan with Western cannons, defeated Nurhaci, and became the “Lone Sentinel of Ningyuan.”
Nurhaci
Founder of the Later Jin (predecessor of the Qing Dynasty). He united the Jurchen tribes, declared the “Seven Grievances” against Ming, and died after losing the Battle of Ningyuan.
Hong Taiji
Nurhaci’s 8th son. He became Khan, continued the war against Ming, and was defeated by Yuan at the Battle of Ning‑Jin.
Sun Chengzong
Wise Ming war minister who supported Yuan’s defensive strategy. He was forced out by Wei Zhongxian’s eunuch faction.
Man Gui & Zu Dashou
Brave generals who fought alongside Yuan Chonghuan in Ningyuan and Ning‑Jin.
Later Jin
The regime founded by Nurhaci; it later renamed itself the Qing Dynasty and conquered China.
Jurchens
A northern tribal people who established the Jin Dynasty and later regrouped as the Later Jin / Qing.
Eight Banners
Nurhaci’s powerful military‑social system that organized Jurchen forces into eight banner units.
Seven Grievances
Nurhaci’s official declaration of war against the Ming, listing seven injustices (including the accidental killing of his father and grandfather).
Western‑style Cannons
Advanced artillery imported from Europe, which gave Ming a decisive edge in defending cities.
Battle of Sarhu (1619)
Ming’s 400,000‑man army was crushed by Nurhaci. It marked Ming’s loss of offensive power in the northeast.
Battle of Ningyuan (1626)
Yuan Chonghuan used cannons to repel Nurhaci’s army. This was Ming’s first major victory against Later Jin.
Battle of Ning‑Jin (1627)
Yuan and his generals defeated Hong Taiji’s forces. But Yuan was wrongfully impeached and forced to resign.
Fall of Liaodong
After Sarhu, Later Jin captured Shenyang, Liaoyang, and most of the northeast, pushing Ming back to Shanhai Pass.
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